Polish

Start the dev server, open the feature in a browser, and iterate. You use the feature, say what feels off, and fixes happen.

Phase 0: Get on the right branch

1. If a PR number or branch name was provided, check it out (probe for existing worktrees first).
2. If blank, use the current branch.
3. Verify the current branch is not main/master.

Phase 1: Start the dev server

Script invocation (per OS): the bundled helper scripts ship in both forms. On Windows run powershell.exe -NoProfile -ExecutionPolicy Bypass -File scripts/<name>.ps1; on macOS/Linux run bash scripts/<name>.sh. The commands below show the bash form — substitute the PowerShell form on Windows.

1.1 Check for .claude/launch.json

Run bash scripts/read-launch-json.sh. If it finds a configuration, use it — the user already told us how to start the project.

1.2 Auto-detect (when no launch.json)